Water Code §51.301

(a) If required by the board, each person who desires to receive irrigation water at any time during the year shall furnish the secretary of the board a written statement of the acreage the person intends to irrigate and the different crops the person intends to plant with the acreage of each crop. (b) At the time the acreage estimate is furnished to the secretary, each person applying for water shall pay the portion of the water charge or assessment set by the board. (c) If a person does not furnish the statement of estimated acreage or does not pay the part of the water charge or assessment set by the board before the date for fixing the assessment, the district is not obligated to furnish water to that person during that year.